Source: http://www.abarim-publications.com/Meaning/Henadad.html

🔼The name Henadad in the Bible

There appears to be only one man named Henadad in the Bible, although he himself plays no role. Henadad is the father of the "sons of Henadad," of which two are mentioned by name. We don't know how many there were; it may have been just these two, or two hundred:

Ezra tells of a kind of union between Jeshua and his sons and brothers, and Kadmiel and his sons, and the sons of Judah (or Hodaviah) and the sons of Henadad and their sons and Levite brothers, and this union oversaw the workmen who built the second temple in Jerusalem (Ezra 3:9).

Bavvai, son of Henadad, was an official of half the district of Keilah who directed a group of workers who repaired a section of the wall of Jerusalem (Nehemiah 3:18).

Binnui, son of Henadad, repaired another portion of the wall, from the house of Azariah to a certain corner (Nehemiah 3:24). This Binnui also signed the sealed document (Nehemiah 10:9).

🔼Etymology of the name Henadad

Scholars generally declare the name Henadad to be a contraction of two elements. The first element would be an expression of the verb חנן (hanan), meaning to be gracious:

The second element, it is said, would be the name הדד (Hadad), which was the name of a Canaanite deity, and it was in Biblical times obviously quite common to weave divine names into the personal names of people. The meaning of Hadad is not clear but see our article on that name for a discussion.

It should be noted that to a Hebrew audience the double d would have reminded of the following root group, and possibly even of the name Dodo, which was also the name of a Canaanite deity:

🔼Henadad meaning

For a meaning of the name Henadad, both NOBSE Study Bible Name List and BDB Theological Dictionary read Favor Of Hadad. Jones' Dictionary of Old Testament Proper Names has the similar The favor Of Hadad.

But taking the second part of our name from the root דוד or even ידד would translate it to Favor Of The/A Beloved.